{"cve":"CVE-2014-6278","nvd":{"published":"2014-09-30T10:55:04.723","modified":"2026-06-17T00:12:50.047","status":"Analyzed","description":"GNU Bash through 4.3 bash43-026 does not properly parse function definitions in the values of environment variables, which allows remote attackers to execute arbitrary commands via a crafted environment, as demonstrated by vectors involving the ForceCommand feature in OpenSSH sshd, the mod_cgi and mod_cgid modules in the Apache HTTP Server, scripts executed by unspecified DHCP clients, and other situations in which setting the environment occurs across a privilege boundary from Bash execution.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-6271, CVE-2014-7169, and CVE-2014-6277.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-78"],"references":["http://jvn.jp/en/jp/JVN55667175/index.html","http://jvndb.jvn.jp/jvndb/JVNDB-2014-000126","http://lcamtuf.blogspot.com/2014/09/bash-bug-apply-unofficial-patch-now.html","http://lcamtuf.blogspot.com/2014/10/bash-bug-how-we-finally-cracked.html","http://linux.oracle.com/errata/ELSA-2014-3093"],"products":["gnu:bash"],"source":"nvd","synced_at":"2026-10-19T20:34:04.196504363+00:00"},"epss":{"cve":"CVE-2014-6278","score":0.99669,"percentile":0.9995,"date":"2026-10-31"},"kev":{"cve":"CVE-2014-6278","date_added":"2025-10-02","due_date":"2025-10-23","vendor":"GNU","product":"GNU Bash","known_ransomware":false},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}